| The effect of temporal asymmetry on amplitude modulation detection using pure-tone carriers (L). | |
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MedLine Citation:
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PMID: 22087889 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The effect of temporal asymmetry on amplitude modulation detection was studied using sawtooth modulators with rising (ramped) or falling (damped) temporal envelopes within each period of modulation. For pure-tone carriers, damped modulation was more detectable than ramped modulation for a 5-kHz carrier (by a threshold difference of 3.2 dB on average) but not for a 1-kHz carrier. The threshold difference obtained at 5 kHz between the ramped and damped modulators was consistent across modulation rates (8-128 Hz). This carrier frequency dependence suggests that the effect of temporally asymmetry on modulation detection originates from envelope-based, within-channel mechanisms. |
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Authors:
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Yi Shen; Jennifer J Lentz |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 130 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: 2635 Citation Subset: IM |
Affiliation:
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Department of Speech and Hearing Sciences, Indiana University, Bloomington, Indiana 47405-7000. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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